Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

601. Necessity — N. involuntariness; instinct, blind impulse; inborn

proclivity, innate proclivity; native tendency, natural tendency; natural impulse, predetermination. necessity, necessitation; obligation; compulsion &c 744; subjection &c 749; stern necessity, hard necessity, dire necessity, imperious necessity, inexorable necessity, iron necessity, adverse necessity; fate; what must be. destiny, destination; fatality, fate, kismet, doom, foredoom, election, predestination; preordination, foreordination; lot fortune; fatalism; inevitableness &c adj.; spell &c 993. star, stars; planet, planets; astral influence; sky, Fates, Parcae, Sisters three, book of fate; God's will, will of Heaven; wheel of Fortune, Ides of March, Hobson's choice. last shift, last resort; dernier ressort [Fr.]; pis aller &c (substitute) 147 [Fr.]; necessaries &c (requirement) 630. necessarian†, necessitarian†; fatalist; automaton. V. lie under a necessity; befated†, be doomed, be destined &c, in for, under the necessity of; have no choice, have no alternative; be one's fate &c n.. to be pushed to the wall to be driven into a corner, to be unable to help. destine, doom, foredoom, devote; predestine, preordain; cast a spell &c 992; necessitate; compel &c 744. Adj. necessary, needful &c (requisite) 630. fated; destined &c v.; elect; spellbound compulsory &c (compel) 744; uncontrollable, inevitable, unavoidable, irresistible, irrevocable, inexorable; avoidless†, resistless. involuntary, instinctive, automatic, blind, mechanical; unconscious, unwitting, unthinking; unintentional &c (undesigned) 621; impulsive &c 612. Adv. necessarily &c adv.; of necessity, of course; ex necessitate rei [Lat.]; needs must; perforce &c 744; nolens volens [Lat.]; will he nil he, willy nilly, bon gre mal gre [Fr.], willing or unwilling, coute que coute [Fr.]. faute de mieux [Fr.]; by stress of; if need be. Phr. it cannot be helped; there is no help for, there is no helping it; it will be, it must be, it needs to be, it must be so, it will have its way; the die is cast; jacta est alea [Lat.]; che sara sara [Fr.]; it is written; one's days are numbered, one's fate is sealed; Fata obstant [Lat.]; diis aliter visum [Lat.]; actum me invito factus [Lat.], non est meus actus [Lat.]; aujord'hui roi demain rien [Fr.]; quisque suos patimur manes [Lat.] [Vergil]; The moving finger writes and having writ moves on. Nor all thy piety nor wit shall draw it back to cancel half a [Rubayyat of Omar Khayyam].